Everything you need to replace older 1/2-13 ball studs on St Croix 400 Rotating Davits with upgraded 5/8-18 ball studs. Includes two Ball Stud assemblies with lock nuts, 37/64 drill bit and 5/8-18 tap. Just remove the davit arm from the socket assembly, remove the old 1/2-13 ball and drill the threaded hole larger, and tap for 5/8-18.
